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The fuel cost for the train to travel 500 km at the most economical speed is:

(a) β‚Ή 3750 Β  Β  (b) β‚Ή 750 Β  (c) β‚Ή 7500 Β  (d) β‚Ή 75000 Β 

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Question 49 The fuel cost for the train to travel 500 km at the most economical speed is: (a) β‚Ή 3750 (b) β‚Ή 750 (c) β‚Ή 7500 (d) β‚Ή 75000 Now, in our Cost function C(𝒗) C(𝒗) = πŸ‘πŸ•πŸ“/πŸ’ 𝒗 + πŸ”πŸŽπŸŽπŸŽπŸŽπŸŽ/𝒗 Thus, Fuel Cost = 375/4 𝑣 = 375/4 Γ— 80 = Rs 7500 So, the correct answer is (c)

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.